CN105550793A - Second safety defense line load shedding accident grade risk online assessment method - Google Patents
Second safety defense line load shedding accident grade risk online assessment method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007123 defense Effects 0.000 title abstract 2
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 230000006837 decompression Effects 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 9
- 238000011160 research Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 8
- 230000006870 function Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000036982 action potential Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention provides a second safety defense line load shedding accident grade risk online assessment method comprising the steps that controllable load real-time power, the shedding enabled state, the fixed operation value, the pressing plate state and the channel state acquired by a safety control device are obtained, and statistics of total power grid load is performed; a safety control system strategy table is analyzed, matching of a power grid current operation mode is performed, control measures required to be taken for an inspection fault under the current working condition are searched, and statistics of load capacity of supply reduction of motion of the safety control device caused by the fault and the proportion of supply reduction load is performed; statistics of the total number of loss of users after performance of the control measures is performed; statistics of the number of voltage loss factories and stations caused by the control measures is performed; and the grade of the electric power safety accident event caused by the inspection fault is determined with reference to the division standard of the grade of the electric power safety accident event according to the supply reduction load and the proportion, the total number of loss of the users and the number of the voltage loss factories and stations. With application of the method, the decision basis can be provided for adjustment of control element configuration of the safety control system and adjustment of the operation mode for scheduling operation personnel.
Description
Technical field
The invention belongs to electric power system dispatching operation monitoring technical field, particularly relate to a kind of second security perimeter cutting load incident classification risk online evaluation method.
Background technology
Stability control device operation information is by the general name of the various information produced in stability control device operational process, is the foundation of the running status for evaluating stability control device.Stability control device operation information patrol and examine that the number of devices related to is large, the work period is short, inspection item is many, need to expend larger human and material resources.Patrolling and examining efficiency for improving, promoting and patrolling and examining effect, the inspection item exploitation automatic inspection function of automatic detecting condition should be possessed for stability control device definite value, pressing plate state, the method for operation etc.
The operation monitoring function of current guarantor's communication system has been integrated with a part and has monitored the function of patrolling and examining to protective device operation information, but all fails to realize the automatic detecting to stability control device operation information.
(application number: the fixed value modification and the checking system that 201120380072.5) disclose a kind of relay protection achieves by the definite value inspection function of definite value patrol task list to protective device document one " a kind of fixed value modification for relay protection and checking system " to a certain extent.When detecting that the protection definite value of the protective device definite value corresponding with java standard library is inconsistent, inspection function CMOS macro cell patrols and examines alarm.This prescribing method can realize definite value automatic inspection function.
Document two " a kind of protection pressing plate status monitoring terminal and surveillance thereof " (application number: 201410275594.7) disclose a kind of protection pressing plate status monitoring terminal and surveillance thereof.Carried out information acquisition by protection pressing plate status monitoring terminal and transferred to scheduling station, traffic control personnel the throwing of each monitored protection pressing plate of telemonitoring can move back state, thus the real-time understanding be convenient to each pressing plate state and operation.
Foregoing invention patent discloses a kind of method for inspecting of definite value and pressing plate, but does not have and relate to the method for operation and patrol and examine, and a certain category information only for device is patrolled and examined, and also fails to realize from the overall angle of device the automatic detecting of above-mentioned all operation informations.Therefore, in the urgent need to designing a kind of method for inspecting for above-mentioned multiple operation information, patrol and examine to obtain to pacify by the cycle of setting, after device definite value, pressing plate state, method of operation information, Automatic analysis is carried out to above-mentioned information, if find that plant running has problem to notify traffic control personnel in the mode of alarm pushing, for the ruuning situation of its comprehensive assessment stability control device provides basis for estimation.
Summary of the invention
The invention provides a kind of second security perimeter cutting load incident classification risk online evaluation method, for the configuration of management and running personnel adjustment Safety system control element and adjust operation mode provide decision-making foundation.
A kind of second security perimeter cutting load incident classification risk online evaluation method that the embodiment of the present invention provides, comprising:
Step 1: according to security control device real measured data, obtains the controllable burden realtime power of security control device collection, permits state of cutting, runs definite value, pressing plate state, channel status, in conjunction with EMS system measured data, and statistics network load total amount;
Step 2: resolve Safety system Policy Table, the current method of operation of coupling electrical network, search examination fault need the control measure taked under current working, add up this fault and cause security control device action subtract the load of confession and subtract for load proportion;
Step 3: in conjunction with the related information of charge circuit with power supply user, according to the described control measure obtained, adds up the total number of users of losing after these control measure perform;
Step 4: plant stand attribute information belonging to consumer, adds up these control measure and causes decompression plant stand quantity;
Step 5: according to subtracting for load and ratio, loss total number of users, decompression plant stand quantity, contrast electric power safety accident event grading standard, judges the electric power safety accident event grade that this examination fault causes.
Wherein, described network load total amount
, wherein
the measured power that security control device gathers load,
be the measured power of EMS system acquisition load, and add up the current loads total amount in each region respectively
, in formula, z represents partition number, supposes that research electrical network has K political divisions, then
.
Wherein, the load subtracting confession in described step 2 refers to realtime power sum before the charge circuit fault that security control device action is directly excised, and supposes that these control measure need excise M charge circuit, then subtract for load
, wherein
refer to realtime power before i-th excision charge circuit fault, then subtract for load proportion
;
Subtract for load proportion according to described, add up the load that each subregion subtracts confession further respectively
and ratio
.
Wherein, described charge circuit specifies the power plant and substation's information belonging to charge circuit, the number of users associated, user's highest ranking, this charge circuit grade with the related information of power supply user;
Assuming that i-th charge circuit belongs to plant stand A, if the number of users of loss is after excision
, so this examination fault causes the total number of users of loss
, loss user ratio
, in formula
it is total number of users that electrical network covers;
Add up the loss number of users of each administrative region respectively
, total number of users
and ratio
, wherein
.
Wherein, in described step 4, if all consumers are all cut in certain plant stand, this plant stand is defined as decompression plant stand, comprises the situation that this plant stand high voltage bus is still charged; By this rule, add up the decompression plant stand sum that this examination fault causes
, and add up the decompression plant stand quantity of each electric pressure respectively
, wherein v={35,66,110,220,330,500,750,1000}, represent the electric pressure of this decompression plant stand, as
represent that this examination fault causes the 500kV plant stand quantity of decompression.
Wherein, in described step 5, contrast electric power safety accident event grading standard, what obtain according to above-mentioned steps subtracts for load
and ratio
, all types of political divisions loss user ratio
, each electric pressure decompression plant stand quantity
, in conjunction with current research electrical network scale, the second security perimeter load shedding incident classification that this examination of synthetic determination examination fault causes.
Compared with prior art, beneficial effect of the present invention is:
1, introduce and take full advantage of the data (electric parameters, pressing plate state, channel status, operation definite value etc.) of Safety system and device Real-time Collection, in real time rolling scanning is carried out to Safety system examination fault, the electric power safety incident classification risk caused due to Safety system action under the current operating condition of Timeliness coverage electrical network, improve power network safety operation level, reduce administrative penalty and economic loss;
2, establish the model of the electric power safety incident classification criteria for classifying, realize security incident grade Auto-matching by robotization means;
3, establish the plant stand user profile table of comparisons, the situation of losing user and plant stand decompression can be caused by accurate count cutting load.
Accompanying drawing explanation
The schematic flow sheet of a kind of second security perimeter cutting load incident classification risk online evaluation embodiment of the method one that Fig. 1 provides for the embodiment of the present invention.
Embodiment
See Fig. 1, be the schematic flow sheet of a kind of second security perimeter cutting load incident classification risk online evaluation embodiment of the method one that the embodiment of the present invention provides, comprise:
Step 1, according to security control device real measured data, obtains the controllable burden realtime power of security control device collection, permits state of cutting, runs definite value, pressing plate state, channel status, in conjunction with EMS system measured data, and statistics network load total amount; Wherein, described network load total amount
, wherein
the measured power that security control device gathers load,
be the measured power of EMS system acquisition load, and add up the current loads total amount in each region respectively
, in formula, z represents partition number, supposes that research electrical network has K political divisions, then
.
Step 2, resolves Safety system Policy Table, and the current method of operation of coupling electrical network, search examination fault need the control measure taked under current working, adds up this fault and causes security control device action subtract the load of confession and subtract for load proportion;
Wherein, described Safety system Policy Table refers to the method for operation that may occur according to electrical network, the fault that setting is relevant, the control scheme list that the emergency control measure taked needed for maintenance system stability under drawing various array mode by a large amount of calculated off-line is formed is the foundation of security control device policy logic design.
In specific implementation, utilize the current method of operation that this examination fault of security control device action analog simulation method On-line matching of structure based model-driven is corresponding, retrieve corresponding control measure.
Wherein, the load subtracting confession in described step 2 refers to realtime power sum before the charge circuit fault that security control device action is directly excised, and supposes that these control measure need excise M charge circuit, then subtract for load
, wherein
refer to realtime power before i-th excision charge circuit fault, then subtract for load proportion
;
Subtract for load proportion according to described, add up the load that each subregion subtracts confession further respectively
and ratio
.
Step 3: in conjunction with the related information of charge circuit with power supply user, according to the described control measure obtained, adds up the total number of users of losing after these control measure perform;
Wherein, described charge circuit specifies the power plant and substation's information belonging to charge circuit, the number of users associated, user's highest ranking, this charge circuit grade with the related information of power supply user;
Assuming that i-th charge circuit belongs to plant stand A, if the number of users of loss is after excision
, so this examination fault causes the total number of users of loss
, loss user ratio
, in formula
it is total number of users that electrical network covers;
Add up the loss number of users of each administrative region respectively
, total number of users
and ratio
, wherein
Step 4: plant stand attribute information belonging to consumer, adds up these control measure and causes decompression plant stand quantity;
In described step 4, if all consumers are all cut in certain plant stand, this plant stand is defined as decompression plant stand, comprises the situation that this plant stand high voltage bus is still charged; By this rule, add up the decompression plant stand sum that this examination fault causes
, and add up the decompression plant stand quantity of each electric pressure respectively
, wherein v={35,66,110,220,330,500,750,1000}, represent the electric pressure of this decompression plant stand, as
represent that this examination fault causes the 500kV plant stand quantity of decompression.
Step 5: according to subtracting for load and ratio, loss total number of users, decompression plant stand quantity, contrast electric power safety accident event grading standard, judges the electric power safety accident event grade that this examination fault causes.
In described step 5, contrast electric power safety accident event grading standard, what obtain according to above-mentioned steps subtracts for load
and ratio
, all types of political divisions loss user ratio
, each electric pressure decompression plant stand quantity
, in conjunction with current research electrical network scale, the second security perimeter load shedding incident classification that this examination of synthetic determination examination fault causes.
In sum, the present invention is based on second defence line Safety system measured data, in conjunction with EMS system primary equipment model and Real-time Load information, in conjunction with the electric power safety accident event criteria for classifying, utilize the security control device action analog simulation method patented technology of structure based model-driven, achieve the electric power safety accident event grade risk online evaluation that electrical network second security perimeter cutting load causes, reduce Safety system operation risk.The method is used for peace control cutting load in electric system and causes the early warning of electric power safety accident risk, contribute to carrying out on-line tracing, the electric power safety incident classification risk that Safety system action potential in Timeliness coverage operation of power networks may cause to Safety system configuration rationality.Adopt this method effectively can improve power grid security accident risk investigation efficiency, pinpoint the problems early, deal with problems, accident risk hidden danger is eliminated by adjustment power system operating mode or change network structure, reduce national economy loss, reduce electric power safety accident responsibility and economic penalties risk, thus promote Safety system operation and management level, conscientiously play Safety system to the guaranteeing role of power network safety operation.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or random store-memory body (RandomAcessMemory, RAM) etc.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (6)
1. a second security perimeter cutting load incident classification risk online evaluation method, is characterized in that, comprising:
Step 1: according to security control device real measured data, obtains the controllable burden realtime power of security control device collection, permits state of cutting, runs definite value, pressing plate state, channel status, in conjunction with EMS system measured data, and statistics network load total amount;
Step 2: resolve Safety system Policy Table, the current method of operation of coupling electrical network, search examination fault need the control measure taked under current working, add up this fault and cause security control device action subtract the load of confession and subtract for load proportion;
Step 3: in conjunction with the related information of charge circuit with power supply user, according to the described control measure obtained, adds up the total number of users of losing after these control measure perform;
Step 4: plant stand attribute information belonging to consumer, adds up these control measure and causes decompression plant stand quantity;
Step 5: according to subtracting for load and ratio, loss total number of users, decompression plant stand quantity, contrast electric power safety accident event grading standard, judges the electric power safety accident event grade that this examination fault causes.
2. a kind of second security perimeter cutting load incident classification risk online evaluation method as claimed in claim 1, is characterized in that, described network load total amount
, wherein
the measured power that security control device gathers load,
be the measured power of EMS system acquisition load, and add up the current loads total amount in each region respectively
, in formula, z represents partition number, supposes that research electrical network has K political divisions, then
.
3. a kind of second security perimeter cutting load incident classification risk online evaluation method as claimed in claim 2, it is characterized in that, the load subtracting confession in described step 2 refers to realtime power sum before the charge circuit fault that security control device action is directly excised, suppose that these control measure need excise M charge circuit, then subtract for load
, wherein
refer to realtime power before i-th excision charge circuit fault, then subtract for load proportion
;
Subtract for load proportion according to described, add up the load that each subregion subtracts confession further respectively
and ratio
.
4. a kind of second security perimeter cutting load incident classification risk online evaluation method as claimed in claim 3, it is characterized in that, described charge circuit specifies the power plant and substation's information belonging to charge circuit, the number of users associated, user's highest ranking, this charge circuit grade with the related information of power supply user;
Assuming that i-th charge circuit belongs to plant stand A, if the number of users of loss is after excision
, so this examination fault causes the total number of users of loss
, loss user ratio
, in formula
it is total number of users that electrical network covers;
Add up the loss number of users of each administrative region respectively
, total number of users
and ratio
, wherein
.
5. a kind of second security perimeter cutting load incident classification risk online evaluation method as claimed in claim 4, it is characterized in that, in described step 4, if all consumers are all cut in certain plant stand, this plant stand is defined as decompression plant stand, comprises the situation that this plant stand high voltage bus is still charged; By this rule, add up the decompression plant stand sum that this examination fault causes
, and add up the decompression plant stand quantity of each electric pressure respectively
, wherein v={35,66,110,220,330,500,750,1000}, represent the electric pressure of this decompression plant stand, as
represent that this examination fault causes the 500kV plant stand quantity of decompression.
6. a kind of second security perimeter cutting load incident classification risk online evaluation method as claimed in claim 5, is characterized in that, in described step 5, contrast electric power safety accident event grading standard, what obtain according to above-mentioned steps subtracts for load
and ratio
, all types of political divisions loss user ratio
, each electric pressure decompression plant stand quantity
, in conjunction with current research electrical network scale, the second security perimeter load shedding incident classification that this examination of synthetic determination examination fault causes.
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|---|---|---|---|
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|---|---|---|---|
| CN201510806158.2A CN105550793A (en) | 2015-11-20 | 2015-11-20 | Second safety defense line load shedding accident grade risk online assessment method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022608A (en) * | 2016-05-19 | 2016-10-12 | 国电南瑞科技股份有限公司 | Remote operation safety control method considering state of power grid equipment |
| CN106451422A (en) * | 2016-09-30 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Simple 10kV distribution line load transfer risk assessment platform |
| CN107276075A (en) * | 2017-06-20 | 2017-10-20 | 贵州电网有限责任公司电力调度控制中心 | A kind of multizone load shedding Collaborative Decision Making Method of meter and power grid accident risk class |
| CN109191007A (en) * | 2018-09-28 | 2019-01-11 | 广东电网有限责任公司 | A kind of method and system that grid equipment N-1 consequence grade determines automatically |
| CN109409707A (en) * | 2018-10-12 | 2019-03-01 | 云南电网有限责任公司文山供电局 | A kind of extent of injury appraisal procedure calculated based on power network topology connection |
| CN109767063A (en) * | 2018-12-12 | 2019-05-17 | 深圳供电局有限公司 | A kind of stability control device operation information system and its online power grid risk assessment method |
| CN110348667A (en) * | 2019-05-21 | 2019-10-18 | 贵州电网有限责任公司 | A kind of power grid accident grade determination method drilled through based on multi-layer data and system |
| CN112947367A (en) * | 2021-02-02 | 2021-06-11 | 国网四川省电力公司 | System and method for realizing three-defense-line joint fault diagnosis based on event set causal chain |
| CN113268021A (en) * | 2021-04-25 | 2021-08-17 | 国家电网有限公司 | Visual security control system management and configuration method and system |
-
2015
- 2015-11-20 CN CN201510806158.2A patent/CN105550793A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022608A (en) * | 2016-05-19 | 2016-10-12 | 国电南瑞科技股份有限公司 | Remote operation safety control method considering state of power grid equipment |
| CN106451422A (en) * | 2016-09-30 | 2017-02-22 | 国网江西省电力公司电力科学研究院 | Simple 10kV distribution line load transfer risk assessment platform |
| CN106451422B (en) * | 2016-09-30 | 2018-11-06 | 国网江西省电力公司电力科学研究院 | A kind of easy 10kV distribution lines load transfer risk assessment platform |
| CN107276075A (en) * | 2017-06-20 | 2017-10-20 | 贵州电网有限责任公司电力调度控制中心 | A kind of multizone load shedding Collaborative Decision Making Method of meter and power grid accident risk class |
| CN109191007A (en) * | 2018-09-28 | 2019-01-11 | 广东电网有限责任公司 | A kind of method and system that grid equipment N-1 consequence grade determines automatically |
| CN109409707A (en) * | 2018-10-12 | 2019-03-01 | 云南电网有限责任公司文山供电局 | A kind of extent of injury appraisal procedure calculated based on power network topology connection |
| CN109767063A (en) * | 2018-12-12 | 2019-05-17 | 深圳供电局有限公司 | A kind of stability control device operation information system and its online power grid risk assessment method |
| CN110348667A (en) * | 2019-05-21 | 2019-10-18 | 贵州电网有限责任公司 | A kind of power grid accident grade determination method drilled through based on multi-layer data and system |
| CN112947367A (en) * | 2021-02-02 | 2021-06-11 | 国网四川省电力公司 | System and method for realizing three-defense-line joint fault diagnosis based on event set causal chain |
| CN113268021A (en) * | 2021-04-25 | 2021-08-17 | 国家电网有限公司 | Visual security control system management and configuration method and system |
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Application publication date: 20160504 |